Intensity of cell-free (1 mg/mL) and cellular (10 μg/cm2) •OH radical formation/scavenging in medium + 0.6 mg/ml BSA by asbestos, glass wool, MWCNT
. Columns represent the peak surface, i.e. area under curve (AUC), obtained by double integration of the DMPO peaks induced by the materials (AUCmaterial) after subtracting that of the control (AUCcontrol; ±SD). Statistically significant changes are indicated by an asterisk (P < 0.05).